org.argeo.slc.agent/src/main/java/org/argeo/slc/ws/client/WebServiceUtils.java

   1 package org.argeo.slc.ws.client;
   2
   3 import java.util.Iterator;
   4
   5 import javax.xml.transform.Source;
   6 import javax.xml.transform.dom.DOMSource;
   7
   8 import org.springframework.ws.client.core.WebServiceTemplate;
   9 import org.springframework.ws.soap.SoapFaultDetail;
  10 import org.springframework.ws.soap.SoapFaultDetailElement;
  11 import org.springframework.ws.soap.client.SoapFaultClientException;
  12 import org.springframework.xml.transform.StringResult;
  13 import org.w3c.dom.Node;
  14
  15 import org.apache.commons.logging.Log;
  16 import org.apache.commons.logging.LogFactory;
  17
  18 public abstract class WebServiceUtils {
  19         private final static Log log = LogFactory.getLog(WebServiceUtils.class);
  20
  21         public static Object marshalSendAndReceiveSafe(WebServiceTemplate template,
  22                         Object req) {
  23                 try {
  24                         Object resp = marshalSendAndReceive(template, req);
  25                         return resp;
  26                 } catch (Exception e) {
  27                         log.error("Cannot send web servicerequest: " + e.getMessage());
  28                         if (log.isDebugEnabled()) {
  29                                 log.debug("Webservice exception details: ", e);
  30                         }
  31                         return null;
  32                 }
  33         }
  34
  35         public static Object marshalSendAndReceive(WebServiceTemplate template,
  36                         Object req) {
  37                 if (log.isTraceEnabled()) {
  38                         try {
  39                                 StringResult result = new StringResult();
  40                                 template.getMarshaller().marshal(req, result);
  41                                 log.trace("About to send " + result);
  42                         } catch (Exception e) {
  43                                 log.error("Cannot marshall " + req + " for logging", e);
  44                         }
  45                 }
  46                 Object resp = template.marshalSendAndReceive(req);
  47                 return resp;
  48         }
  49
  50         public static void manageSoapException(SoapFaultClientException e) {
  51                 log
  52                                 .error("WS root cause: "
  53                                                 + e.getSoapFault().getFaultStringOrReason());
  54                 StringBuffer stack = new StringBuffer("");
  55                 SoapFaultDetail detail = e.getSoapFault().getFaultDetail();
  56                 if (detail != null) {
  57                         Iterator<SoapFaultDetailElement> it = (Iterator<SoapFaultDetailElement>) detail
  58                                         .getDetailEntries();
  59                         while (it.hasNext()) {
  60                                 SoapFaultDetailElement elem = it.next();
  61                                 if (elem.getName().getLocalPart().equals("StackElement")) {
  62                                         Source source = elem.getSource();
  63                                         if (source instanceof DOMSource) {
  64                                                 Node node = ((DOMSource) source).getNode();
  65                                                 stack.append(node.getTextContent()).append('\n');
  66                                         }
  67                                 }
  68                         }
  69
  70                         if (stack.length() > 0 && log.isTraceEnabled())
  71                                 log.error("WS root cause stack: " + stack);
  72                 }
  73         }
  74
  75         private WebServiceUtils() {
  76
  77         }
  78 }